How to Fix Git Push Rejected (Non-Fast-Forward) - How to Unblock Windows Activation in Firewall-Windows Defender Service Won't Start Troubleshooting

Updated 2026-06-13 16:04:50windows-fixes
How to Fix Git Push Rejected (Non-Fast-Forward) - How to Unblock Windows Activation in Firewall-Windows Defender Service Won't Start Troubleshooting
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.